Hebei yuanda group was founded in the mid 90 s, 20th century ，has five subordinate wholly owned subsidiary,Hebei yuanda group, accumulated after years of development, has become a considerable size of the country's zinc sulfate monohydrate and other trace elements products industry base, designed production of zinc sulfate monohydrate 70000 t/year, zinc sulfate heptahydrate 35000 t/year, active zinc oxide 35000 t/year. Products cover active zinc oxide, manganese sulfate, zinc sulfate, copper sulfate, ferrous sulfate, iodine, selenium, cobalt, etc many series of products, which can meet

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